|Painter|Composition|Drawing|Color|Expression|
|---|---|---|---|---|
|Andrea del Sarto|12|16|9|8|
|Federico Barocci|14|15|6|10|
|Jacopo Bassano|6|8|17|0|
|Giovanni Bellini|4|6|14|O|
|Sebastian Bourdon|10|8|8|4|
|Charles Le Brun|16|16|8|16|
|I Carracci|15|17|13|13|
|Cavalier D'Arpino|10|10|6|2|
|Correggio|13|13|15|12|
|Daniele da Volterra|12|15|5|8|
|Abraham van Diepenbeeck|11|10|14|6|
|Il Domenichino|15|17|9|17|
|Albrecht Dürer|8|10|10|8|
|Giorgione|8|9|18|4|
|Giovanni da Udine|10|8|16|3|
|Giulio Romano|15|16|4|14|
|Guercino|18|10|10|4|
|Guido Reni|x|13|9|12|
|Holbein|9|10|16|3|
|Jacob Jordaens|10|8|16|6|
|Lucas Jordaens|13|12|9|6|
|Giovanni Lanfranco|14|13|10|5|
|Leonardo da Vinci|15|16|4|14|
|Lucas van Leyden|8|6|6|4|
|Michelangelo|8|17|4|8|
|Caravaggio|6|6|16|O|
|Murillo|6|8|15|4|
|Otho Venius|13|14|10|10|
|Palma il Vecchio|5|6|16|0|
|Palma il Giovane|12|9|14|6|
|Il Parmigianino|10|15|6|6|
|Gianfrancesco Penni|O|15|8|0|
|Perin del Vaga|15|16|7|6|
|Sebastiano del Piombo|8|13|16|7|
|Primaticcio|15|14|7|10|
|Raphael|17|18|12|18|
|Rembrandt|15|6|17|12|
|Rubens|18|13|17|17|
|Francesco Salviati|13|15|8|8|
|Eustache Le Sueur|15|15|4|15|
|Teniers|15|12|13|6|
|Pietro Testa|11|15|0|6|
|Tintoretto|15|14|16|4|
|Titian|12|15|18|6|
|Van Dyck|15|10|17|13|
|Vanius|15|15|12|13|
|Veronese|15|10|16|3|
|Taddeo Zuccari|13|14|10|9|
|Federico Zuccari|10|10|8|8|

Question: how many painters received a color mark below 10?
Answer: 21